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Subject:
From:
John Miller <[log in to unmask]>
Reply To:
For blind ham radio operators <[log in to unmask]>
Date:
Tue, 26 Nov 2013 21:26:57 -0500
Content-Type:
text/plain
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text/plain (111 lines)
Not that amazing, inspectors let a lot go in my experience.
----- Original Message ----- 
From: "Steve Dresser" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, November 26, 2013 8:58 PM
Subject: Re: Re-station ground


> Yeah, the amazing thing was that the home inspector didn't catch the
> problem.
>
> Steve
>
> ----- Original Message ----- 
> From: "John Miller" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Tuesday, November 26, 2013 19:07
> Subject: Re: Re-station ground
>
>
>>I have also lived in houses like that, I never trust that the electrical 
>>is
>> grounded well enough for anything.
>> ----- Original Message ----- 
>> From: "Steve Dresser" <[log in to unmask]>
>> To: <[log in to unmask]>
>> Sent: Tuesday, November 26, 2013 4:59 PM
>> Subject: Re: Re-station ground
>>
>>
>>> Colin,
>>>
>>> I'd caution against using the grounding of the electrical outlets as a
>>> station ground.  I lived in a house where the electrical ground of the
>>> outlets had 150 volts which I measured between it and a stainless steel
>>> counter in the kitchen.  It turned out that the house's electrical 
>>> system
>>> wasn't grounded to anything in the known universe.
>>>
>>> Steve
>>>
>>> ----- Original Message ----- 
>>> From: "Colin McDonald" <[log in to unmask]>
>>> To: <[log in to unmask]>
>>> Sent: Tuesday, November 26, 2013 16:31
>>> Subject: Re: Re-station ground
>>>
>>>
>>>> you already have a ground between the tuner and the radio via the coax
>>>> shield...
>>>> You already have full chassis ground through the ground prong on the 
>>>> AC
>>>> power.
>>>> However, to avoid RF hot spots on the chassis of your equipment, it is
>>>> advisable to use another earth ground of some kind for your
>>>> equipment...either via a ground rod, or to the main electrical ground 
>>>> of
>>>> the
>>>> house such as the city side of the water meter on the cold water pipe,
>>>> or
>>>> connected to the ground rod used by the electrical of the house if 
>>>> there
>>>> is
>>>> one.
>>>> Also, having a separate ground rod just for the station is good because
>>>> that
>>>> can also be used for both RF and electrical ground and will help in the
>>>> case
>>>> of a nearby lightening strike etc.
>>>> You need to use a ground bus, and have a wire from each piece of
>>>> equipment
>>>> connected to that common bus...do not daisy chain the grounds together.
>>>> In
>>>> other words, your grounding has to be paralel, not series.
>>>> If it's electrical ground, the wire length doesn't matter at all...but
>>>> if
>>>> you are going after an RF ground, the length of the ground wire may, if
>>>> you
>>>> are using a non-resonant antenna, or latter line or long wire and a
>>>> tuner,
>>>> effect the tuning of the antenna.
>>>>
>>>> Often an additional ground for the station equipment is not necesary as
>>>> the
>>>> AC ground takes care of it, but sometimes you may need it if you find
>>>> you
>>>> are having issues with RFI in your audio, or excessive noise on receive
>>>> or
>>>> if you are causing RFI to other electronics in the house or with your
>>>> neighbors.
>>>>
>>>> 73
>>>> Colin, V A6BKX
>>>> --------------------------------------------------
>>>> From: "Mike Ryan" <[log in to unmask]>
>>>> Sent: Tuesday, November 26, 2013 1:10 PM
>>>> To: <[log in to unmask]>
>>>> Subject: Re-station ground
>>>>
>>>>> So if I have a ground wire running from my ATU's ground stud to the
>>>>> back
>>>>> of
>>>>> the rig's ground stud, considering my rig has a built in power supply
>>>>> and
>>>>> a
>>>>> 3 prong plug, this will be fine?
>>>>>
>>>>> Mike
>>>>
>> 

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